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StringBuilder vs String concatenation in toString() in Java
...le concatenation all in one place or accumulating it over time.
For the example you gave, there's no point in explicitly using StringBuilder. (Look at the compiled code for your first case.)
But if you are building a string e.g. inside a loop, use StringBuilder.
To clarify, assuming that hugeArra...
What is the difference between String.Empty and “” (empty string)?
...ich makes string.Empty more efficient.
In version 2.0 and later of .NET, all occurrences of "" refer to the same string literal, which means "" is equivalent to .Empty, but still not as fast as .Length == 0.
.Length == 0 is the fastest option, but .Empty makes for slightly cleaner code.
See the ...
Could not reserve enough space for object heap
...
Anyone found a solution that actually work 100% of the time? This solution solves the problem temporarily but then suddenly it comes back. I've got 16GB ram and I'm tired of this sh*t. Everything was better in the old days :[
– Nilzor
...
How to write very long string that conforms with PEP8 and prevent E501
...
Implicit concatenation might be the cleanest solution:
s = "this is my really, really, really, really, really, really," \
" really long string that I'd like to shorten."
Edit On reflection I agree that Todd's suggestion to use brackets rather than line continuation is better for all the reas...
Counter increment in Bash loop not working
...tackoverflow.com/questions/10515964/…
– Mark Haferkamp
Aug 8 '19 at 2:40
this does not resolve main question, main ...
Using 'return' in a Ruby block
...ply use next in this context:
$ irb
irb(main):001:0> def thing(*args, &block)
irb(main):002:1> value = block.call
irb(main):003:1> puts "value=#{value}"
irb(main):004:1> end
=> nil
irb(main):005:0>
irb(main):006:0* thing {
irb(main):007:1* return 6 * 7
irb(main):008:1&gt...
Python Unicode Encode Error
... 'replace')
'?abcd?'
>>> u.encode('ascii', 'xmlcharrefreplace')
'ꀀabcd޴'
You might want to read this article: http://www.joelonsoftware.com/articles/Unicode.html, which I found very useful as a basic tutorial on what's going on. After the read, you'll stop feeling li...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... to an object of a specific type, and thus a check would be unnecessary. Example:
void func(void *data) {
// Conversion from MyClass* -> void* is implicit
MyClass *c = static_cast<MyClass*>(data);
...
}
int main() {
MyClass c;
start_thread(&func, &c) // func(&c) wil...
Replace spaces with dashes and make all letters lower-case
...
Just use the String replace and toLowerCase methods, for example:
var str = "Sonic Free Games";
str = str.replace(/\s+/g, '-').toLowerCase();
console.log(str); // "sonic-free-games"
Notice the g flag on the RegExp, it will make the replacement globally within the string, if it's n...
What is unit testing and how do you do it? [duplicate]
...is a good introduction to the what and the how
http://www.nunit.org/index.php?p=quickStart&r=2.5
Is everything testable? Generally if it calculates something then yes. UI code is a whole other problem to deal with though, as simulating users clicking on buttons is tricky.
What should you test...